| Summary: | Estimation of life expectancy serves an important role in clinical decisions about screening for disease and treatment in primary care practices. Increasingly, clinical guidelines recommend a course of action in context of the patient's life expectancy. While many tools have been developed to estimate life expectancy or the likelihood of surviving for a period of time, there are no well-established decision support tools that are broadly applicable to primary care. For a life expectancy calculator to gain widespread use in primary care, it needs to have acceptable and validated predictive accuracy at decision-relevant times such as 6 months or 5 years, proven usefulness, and be readily available. In 2012, a systematic review by Yourman et al summarized existing life expectancy calculators that may be useful for older patients in primary care. However, none of the reviewed calculators met our criteria for widespread use. The purpose of this systematic review was to update the search on life expectancy calculators, with focus on calculators that may be valuable for use in the Veterans Health Administration population receiving primary care
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